Home / 908,810.10-1,366,167.60-778,902.30

Finding the Fourth Proportional to 908,810.10, 1,366,167.60 and 778,902.30

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Solution

The fourth proportional to 908,810.10, 1,366,167.60 and 778,902.30 is: 1,170,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,810.10 : 1,366,167.60 = 778,902.30 : x
  2. Step 2: Convert to fraction form
    908,810.10/1,366,167.60 = 778,902.30/x
  3. Step 3: Cross multiply
    908,810.10x = 1,366,167.60 × 778,902.30
  4. Step 4: Simplify right side
    908,810.10x = 1,064,111,085,825.48
  5. Step 5: Solve for x
    x = 1,064,111,085,825.48/908,810.10
  6. Step 6: Final answer
    x = 1,170,883.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.